X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=update_daemon2.php;h=af29ac18f86e0987f23cc365324cdaadadd63010;hb=e60e4ac08627d467c25eba6e1b62069bc5cfc168;hp=5aea5a6eea9c7b31d1a2101f636110ffdd82fc85;hpb=ee442dfec5fc4343d5568aee8d070e3b6e56a524;p=tt-rss.git diff --git a/update_daemon2.php b/update_daemon2.php index 5aea5a6e..af29ac18 100755 --- a/update_daemon2.php +++ b/update_daemon2.php @@ -9,10 +9,9 @@ define('DISABLE_SESSIONS', true); require_once "version.php"; - require_once "config.php"; require_once "autoload.php"; require_once "functions.php"; - require_once "rssfuncs.php"; + require_once "config.php"; // defaults define_default('PURGE_INTERVAL', 3600); // seconds @@ -24,16 +23,30 @@ require_once "db.php"; require_once "db-prefs.php"; - if (!function_exists('pcntl_fork')) { die("error: This script requires PHP compiled with PCNTL module.\n"); } + $options = getopt(""); + + if (!is_array($options)) { + die("error: getopt() failed. ". + "Most probably you are using PHP CGI to run this script ". + "instead of required PHP CLI. Check tt-rss wiki page on updating feeds for ". + "additional information.\n"); + } + + + $master_handlers_installed = false; + $children = array(); $ctimes = array(); $last_checkpoint = -1; + /** + * @SuppressWarnings(unused) + */ function reap_children() { global $children; global $ctimes; @@ -74,6 +87,9 @@ } } + /** + * @SuppressWarnings(unused) + */ function sigchld_handler($signal) { $running_jobs = reap_children(); @@ -82,6 +98,36 @@ pcntl_waitpid(-1, $status, WNOHANG); } + function shutdown($caller_pid) { + if ($caller_pid == posix_getpid()) { + if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) { + _debug("removing lockfile (master)..."); + unlink(LOCK_DIRECTORY . "/update_daemon.lock"); + } + } + } + + function task_shutdown() { + $pid = posix_getpid(); + + if (file_exists(LOCK_DIRECTORY . "/update_daemon-$pid.lock")) { + _debug("removing lockfile ($pid)..."); + unlink(LOCK_DIRECTORY . "/update_daemon-$pid.lock"); + } + } + + function sigint_handler() { + _debug("[MASTER] SIG_INT received.\n"); + shutdown(posix_getpid()); + die; + } + + function task_sigint_handler() { + _debug("[TASK] SIG_INT received.\n"); + task_shutdown(); + die; + } + pcntl_signal(SIGCHLD, 'sigchld_handler'); $longopts = array("log:", @@ -120,6 +166,10 @@ $spawn_interval = SPAWN_INTERVAL; } + // let's enforce a minimum spawn interval as to not forkbomb the host + $spawn_interval = max(60, $spawn_interval); + _debug("Spawn interval: $spawn_interval sec"); + if (isset($options["log"])) { _debug("Logging to " . $options["log"]); define('LOGFILE', $options["log"]); @@ -167,17 +217,30 @@ if ($pid == -1) { die("fork failed!\n"); } else if ($pid) { + + if (!$master_handlers_installed) { + _debug("[MASTER] installing shutdown handlers"); + pcntl_signal(SIGINT, 'sigint_handler'); + pcntl_signal(SIGTERM, 'sigint_handler'); + register_shutdown_function('shutdown', posix_getpid()); + $master_handlers_installed = true; + } + _debug("[MASTER] spawned client $j [PID:$pid]..."); array_push($children, $pid); $ctimes[$pid] = time(); } else { pcntl_signal(SIGCHLD, SIG_IGN); + pcntl_signal(SIGINT, 'task_sigint_handler'); + + register_shutdown_function('task_shutdown'); $quiet = (isset($options["quiet"])) ? "--quiet" : ""; + $log = function_exists("flock") && isset($options['log']) ? '--log '.$options['log'] : ''; $my_pid = posix_getpid(); - passthru(PHP_EXECUTABLE . " update.php --daemon-loop $quiet --task $j --pidlock $my_pid"); + passthru(PHP_EXECUTABLE . " update.php --daemon-loop $quiet $log --task $j --pidlock $my_pid"); sleep(1);